<?php					// -*-c++-*-
// by Edd Dumbill (C) 1999-2002
// <edd@usefulinc.com>
// $Id$


// Copyright (c) 1999,2000,2002 Edd Dumbill.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//    * Redistributions of source code must retain the above copyright
//      notice, this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above
//      copyright notice, this list of conditions and the following
//      disclaimer in the documentation and/or other materials provided
//      with the distribution.
//
//    * Neither the name of the "XML-RPC for PHP" nor the names of its
//      contributors may be used to endorse or promote products derived
//      from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.

	if (!function_exists('xml_parser_create'))
	{
		// Win 32 fix. From: 'Leo West' <lwest@imaginet.fr>
		if($WINDIR)
		{
			dl('php3_xml.dll');
		}
		else
		{
			dl('xml.so');
		}
	}


	define("XMLRPCI4", "i4");
	$xmlrpcI4=XMLRPCI4;
	define("XMLRPCINT", "int");
	$xmlrpcInt=XMLRPCINT;
	define("XMLRPCBOOLEAN", "boolean");
	$xmlrpcBoolean=XMLRPCBOOLEAN;
	define("XMLRPCDOUBLE", "double");
	$xmlrpcDouble=XMLRPCDOUBLE;
	define("XMLRPCSTRING", "string");
	$xmlrpcString=XMLRPCSTRING;
	define("XMLRPCDATETIME", "dateTime.iso8601");
	$xmlrpcDateTime=XMLRPCDATETIME;
	define("XMLRPCBASE64", "base64");
	$xmlrpcBase64=XMLRPCBASE64;
	define("XMLRPCARRAY", "array");
	$xmlrpcArray=XMLRPCARRAY;
	define("XMLRPCSTRUCT", "struct");
	$xmlrpcStruct=XMLRPCSTRUCT;
	
	$xmlrpcTypes=array(
		$xmlrpcI4       => 1,
		$xmlrpcInt      => 1,
		$xmlrpcBoolean  => 1,
		$xmlrpcString   => 1,
		$xmlrpcDouble   => 1,
		$xmlrpcDateTime => 1,
		$xmlrpcBase64   => 1,
		$xmlrpcArray    => 2,
		$xmlrpcStruct   => 3
	);

	$xmlEntities=array(
		'amp'  => '&',
		'quot' => '"',
		'lt'   => '<',
		'gt'   => '>',
		'apos' => "'"
	);

	$xmlrpcerr['unknown_method']=1;
	$xmlrpcstr['unknown_method']='Unknown method';
	$xmlrpcerr['invalid_return']=2;
	$xmlrpcstr['invalid_return']='Invalid return payload: enabling debugging to examine incoming payload';
	$xmlrpcerr['incorrect_params']=3;
	$xmlrpcstr['incorrect_params']='Incorrect parameters passed to method';
	$xmlrpcerr['introspect_unknown']=4;
	$xmlrpcstr['introspect_unknown']="Can't introspect: method unknown";
	$xmlrpcerr['http_error']=5;
	$xmlrpcstr['http_error']="Didn't receive 200 OK from remote server.";
	$xmlrpcerr['no_data']=6;
	$xmlrpcstr['no_data']='No data received from server.';
	$xmlrpcerr['no_ssl']=7;
	$xmlrpcstr['no_ssl']='No SSL support compiled in.';
	$xmlrpcerr['curl_fail']=8;
	$xmlrpcstr['curl_fail']='CURL error';


	$xmlrpcerr['multicall_notstruct'] = 9;
	$xmlrpcstr['multicall_notstruct'] = 'system.multicall expected struct';
	$xmlrpcerr['multicall_nomethod']  = 10;
	$xmlrpcstr['multicall_nomethod']  = 'missing methodName';
	$xmlrpcerr['multicall_notstring'] = 11;
	$xmlrpcstr['multicall_notstring'] = 'methodName is not a string';
	$xmlrpcerr['multicall_recursion'] = 12;
	$xmlrpcstr['multicall_recursion'] = 'recursive system.multicall forbidden';
	$xmlrpcerr['multicall_noparams']  = 13;
	$xmlrpcstr['multicall_noparams']  = 'missing params';
	$xmlrpcerr['multicall_notarray']  = 14;
	$xmlrpcstr['multicall_notarray']  = 'params is not an array';

	$xmlrpc_defencoding='UTF-8';

	$xmlrpcName='XML-RPC for PHP';
	$xmlrpcVersion='1.0.99';

	// let user errors start at 800
	$xmlrpcerruser=800;
	// let XML parse errors start at 100
	$xmlrpcerrxml=100;

	// formulate backslashes for escaping regexp
	$xmlrpc_backslash=chr(92).chr(92);

	// used to store state during parsing
	// quick explanation of components:
	//   st - used to build up a string for evaluation
	//   ac - used to accumulate values
	//   qt - used to decide if quotes are needed for evaluation
	//   cm - used to denote struct or array (comma needed)
	//   isf - used to indicate a fault
	//   lv - used to indicate "looking for a value": implements
	//        the logic to allow values with no types to be strings
	//   params - used to store parameters in method calls
	//   method - used to store method name

	$_xh=array();

	function xmlrpc_entity_decode($string)
	{
		$top=split('&', $string);
		$op='';
		$i=0; 
		while($i<sizeof($top))
		{
			if (ereg("^([#a-zA-Z0-9]+);", $top[$i], $regs))
			{
				$op.=ereg_replace("^[#a-zA-Z0-9]+;",
				xmlrpc_lookup_entity($regs[1]),
				$top[$i]);
			}
			else
			{
				if ($i==0)
				{
					$op=$top[$i];
				}
				else
				{
					$op.='&' . $top[$i];
				}
			}
			$i++;
		}
		return $op;
	}

	function xmlrpc_lookup_entity($ent)
	{
		global $xmlEntities;

		if (isset($xmlEntities[strtolower($ent)]))
		{
			return $xmlEntities[strtolower($ent)];
		}
		if (ereg("^#([0-9]+)$", $ent, $regs))
		{
			return chr($regs[1]);
		}
		return '?';
	}

	function xmlrpc_se($parser, $name, $attrs)
	{
		global $_xh, $xmlrpcDateTime, $xmlrpcString;

		switch($name)
		{
			case 'STRUCT':
			case 'ARRAY':
				$_xh[$parser]['st'].='array(';
				$_xh[$parser]['cm']++;
				// this last line turns quoting off
				// this means if we get an empty array we'll 
				// simply get a bit of whitespace in the eval
				$_xh[$parser]['qt']=0;
				break;
			case 'NAME':
				$_xh[$parser]['st'].="'"; $_xh[$parser]['ac']='';
				break;
			case 'FAULT':
				$_xh[$parser]['isf']=1;
				break;
			case 'PARAM':
				$_xh[$parser]['st']='';
				break;
			case 'VALUE':
				$_xh[$parser]['st'].='new xmlrpcval(';
				$_xh[$parser]['vt']=$xmlrpcString;
				$_xh[$parser]['ac']='';
				$_xh[$parser]['qt']=0;
				$_xh[$parser]['lv']=1;
				// look for a value: if this is still 1 by the
				// time we reach the first data segment then the type is string
				// by implication and we need to add in a quote
				break;
			case 'I4':
			case 'INT':
			case 'STRING':
			case 'BOOLEAN':
			case 'DOUBLE':
			case 'DATETIME.ISO8601':
			case 'BASE64':
				$_xh[$parser]['ac']=''; // reset the accumulator

				if ($name=='DATETIME.ISO8601' || $name=='STRING')
				{
					$_xh[$parser]['qt']=1;
					if ($name=='DATETIME.ISO8601')
					{
						$_xh[$parser]['vt']=$xmlrpcDateTime;
					}
				}
				elseif ($name=='BASE64')
				{
					$_xh[$parser]['qt']=2;
				}
				else
				{
					// No quoting is required here -- but
					// at the end of the element we must check
					// for data format errors.
					$_xh[$parser]['qt']=0;
				}
				break;
			case 'MEMBER':
				$_xh[$parser]['ac']='';
				break;
			default:
				break;
		}

		if ($name!='VALUE')
		{
			$_xh[$parser]['lv']=0;
		}
	}

	function xmlrpc_ee($parser, $name)
	{
		global $_xh,$xmlrpcTypes,$xmlrpcString;

		switch($name)
		{
			case 'STRUCT':
			case 'ARRAY':
				if ($_xh[$parser]['cm'] && substr($_xh[$parser]['st'], -1) ==',')
				{
					$_xh[$parser]['st']=substr($_xh[$parser]['st'],0,-1);
				}
				$_xh[$parser]['st'].=')';
				$_xh[$parser]['vt']=strtolower($name);
				$_xh[$parser]['cm']--;
				break;
			case 'NAME':
				$_xh[$parser]['st'].= $_xh[$parser]['ac'] . "' => ";
				break;
			case 'BOOLEAN':
				// special case here: we translate boolean 1 or 0 into PHP
				// constants true or false
				if ($_xh[$parser]['ac']=='1')
				{
					$_xh[$parser]['ac']='true';
				}
				else
				{
					$_xh[$parser]['ac']='false';
					$_xh[$parser]['vt']=strtolower($name);
					// Drop through intentionally.
				}
			case 'I4':
			case 'INT':
			case 'STRING':
			case 'DOUBLE':
			case 'DATETIME.ISO8601':
			case 'BASE64':
				if ($_xh[$parser]['qt']==1)
				{
					// we use double quotes rather than single so backslashification works OK
					$_xh[$parser]['st'].='"'. $_xh[$parser]['ac'] . '"';
				}
				elseif ($_xh[$parser]['qt']==2)
				{
					$_xh[$parser]['st'].="base64_decode('". $_xh[$parser]['ac'] . "')"; 
				}
				elseif ($name=='BOOLEAN')
				{
					$_xh[$parser]['st'].=$_xh[$parser]['ac'];
				}
				else
				{
					// we have an I4, INT or a DOUBLE
					// we must check that only 0123456789-.<space> are characters here
					if (!ereg("^\-?[0123456789 \t\.]+$", $_xh[$parser]['ac']))
					{
						// TODO: find a better way of throwing an error
						// than this!
						error_log('XML-RPC: non numeric value received in INT or DOUBLE');
						$_xh[$parser]['st'].='ERROR_NON_NUMERIC_FOUND';
					}
					else
					{
						// it's ok, add it on
						$_xh[$parser]['st'].=$_xh[$parser]['ac'];
					}
				}
				$_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0;
				$_xh[$parser]['lv']=3; // indicate we've found a value
				break;
			case 'VALUE':
				// deal with a string value
				if (strlen($_xh[$parser]['ac'])>0 &&
					$_xh[$parser]['vt']==$xmlrpcString)
				{
					$_xh[$parser]['st'].='"'. $_xh[$parser]['ac'] . '"'; 
				}
				// This if() detects if no scalar was inside <VALUE></VALUE>
				// and pads an empty ''.
				if($_xh[$parser]['st'][strlen($_xh[$parser]['st'])-1] == '(')
				{
					$_xh[$parser]['st'].= '""';
				}
				$_xh[$parser]['st'].=", '" . $_xh[$parser]['vt'] . "')";
				if ($_xh[$parser]['cm'])
				{
					$_xh[$parser]['st'].=',';
				}
				break;
			case 'MEMBER':
				$_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0;
				break;
			case 'DATA':
				$_xh[$parser]['ac']=''; $_xh[$parser]['qt']=0;
				break;
			case 'PARAM':
				$_xh[$parser]['params'][]=$_xh[$parser]['st'];
				break;
			case 'METHODNAME':
				$_xh[$parser]['method']=ereg_replace("^[\n\r\t ]+", '', $_xh[$parser]['ac']);
				break;
			case 'BOOLEAN':
				// special case here: we translate boolean 1 or 0 into PHP
				// constants true or false
				if ($_xh[$parser]['ac']=='1')
				{
					$_xh[$parser]['ac']='true';
				}
				else
				{
					$_xh[$parser]['ac']='false';
					$_xh[$parser]['vt']=strtolower($name);
				}
				break;
			default:
				break;
		}
		// if it's a valid type name, set the type
		if (isset($xmlrpcTypes[strtolower($name)]))
		{
			$_xh[$parser]['vt']=strtolower($name);
		}
	}

	function xmlrpc_cd($parser, $data)
	{
		global $_xh, $xmlrpc_backslash;

		//if (ereg("^[\n\r \t]+$", $data)) return;
		// print "adding [${data}]\n";

		if ($_xh[$parser]['lv']!=3)
		{
			// "lookforvalue==3" means that we've found an entire value
			// and should discard any further character data
			if ($_xh[$parser]['lv']==1)
			{
				// if we've found text and we're just in a <value> then
				// turn quoting on, as this will be a string
				$_xh[$parser]['qt']=1; 
				// and say we've found a value
				$_xh[$parser]['lv']=2; 
			}
			if(!@isset($_xh[$parser]['ac']))
			{
				$_xh[$parser]['ac'] = '';
			}
			$_xh[$parser]['ac'].=str_replace('$', '\$', str_replace('"', '\"', str_replace(chr(92),$xmlrpc_backslash, $data)));
		}
	}

	function xmlrpc_dh($parser, $data)
	{
		global $_xh;
		if (substr($data, 0, 1) == '&' && substr($data, -1, 1) == ';')
		{
			if ($_xh[$parser]['lv']==1)
			{
				$_xh[$parser]['qt']=1; 
				$_xh[$parser]['lv']=2; 
			}
			$_xh[$parser]['ac'].=str_replace('$', '\$', str_replace('"', '\"', str_replace(chr(92),$xmlrpc_backslash, $data)));
		}
	}

	class xmlrpc_client
	{
		var $path;
		var $server;
		var $port;
		var $errno;
		var $errstring;
		var $debug=0;
		var $username='';
		var $password='';
		var $cert='';
		var $certpass='';
		var $verifypeer=1;
		var $verifyhost=1;
		var $no_multicall=false;

		function xmlrpc_client($path, $server, $port=0)
		{
			$this->port=$port; $this->server=$server; $this->path=$path;
		}

		function setDebug($in)
		{
			if ($in)
			{
				$this->debug=1;
			}
			else
			{
				$this->debug=0;
			}
		}

		function setCredentials($u, $p)
		{
			$this->username=$u;
			$this->password=$p;
		}

		function setCertificate($cert, $certpass)
		{
			$this->cert = $cert;
			$this->certpass = $certpass;
		}

		function setSSLVerifyPeer($i)
		{
			$this->verifypeer = $i;
		}

		function setSSLVerifyHost($i)
		{
			$this->verifyhost = $i;
		}

		function send($msg, $timeout=0, $method='http')
		{
			if (is_array($msg))
			{
				// $msg is an array of xmlrpcmsg's
				return $this->multicall($msg, $timeout, $method);
			}

			// where msg is an xmlrpcmsg
			$msg->debug=$this->debug;

			if ($method == 'https')
			{
				return $this->sendPayloadHTTPS($msg,
				$this->server,
				$this->port, $timeout,
				$this->username, $this->password,
				$this->cert,
				$this->certpass);
			}
			else
			{
				return $this->sendPayloadHTTP10($msg, $this->server, $this->port,
				$timeout, $this->username, 
				$this->password);
			}
		}

		function sendPayloadHTTP10($msg, $server, $port, $timeout=0,$username='', $password='')
		{
			global $xmlrpcerr, $xmlrpcstr;
			if ($port==0)
			{
				$port=80;
			}
			if($timeout>0)
			{
				$fp=fsockopen($server, $port,$this->errno, $this->errstr, $timeout);
				stream_set_timeout($fp,360);
				
			}
			else
			{
				$fp=fsockopen($server, $port,$this->errno, $this->errstr);
				stream_set_timeout($fp,360);
			}
			if (!$fp)
			{
				$this->errstr='Connect error';
				$r=new xmlrpcresp(0, $xmlrpcerr['http_error'],$xmlrpcstr['http_error']);
				return $r;
			}
			// Only create the payload if it was not created previously
			if(empty($msg->payload))
			{
				$msg->createPayload();
			}

			// thanks to Grant Rauscher <grant7@firstworld.net>
			// for this
			$credentials='';
			if ($username!='')
			{
				$credentials='Authorization: Basic ' . base64_encode($username . ':' . $password) . "\r\n";
			}

			$op= "POST " . $this->path. " HTTP/1.0\r\nUser-Agent: PHP XMLRPC 1.0\r\n" .
				"Host: ". $this->server  . "\r\n" .
				$credentials . 
				"Content-Type: text/xml\r\nContent-Length: " .
				strlen($msg->payload) . "\r\n\r\n" .
				$msg->payload;

			if (!fputs($fp, $op, strlen($op)))
			{
				$this->errstr='Write error';
				$r=new xmlrpcresp(0, $xmlrpcerr['http_error'], $xmlrpcstr['http_error']);
				return $r;
			}
			$resp=$msg->parseResponseFile($fp);
			fclose($fp);
			return $resp;
		}

		// contributed by Justin Miller <justin@voxel.net>
		// requires curl to be built into PHP
		function sendPayloadHTTPS($msg, $server, $port, $timeout=240,$username='', $password='', $cert='',$certpass='')
		{
			global $xmlrpcerr, $xmlrpcstr;
			if ($port == 0)
			{
				$port = 443;
			}

			// Only create the payload if it was not created previously
			if(empty($msg->payload))
			{
				$msg->createPayload();
			}

			if (!function_exists('curl_init'))
			{
				$this->errstr='SSL unavailable on this install';
				$r=new xmlrpcresp(0, $xmlrpcerr['no_ssl'], $xmlrpcstr['no_ssl']);
				return $r;
			}

			$curl = curl_init('https://' . $server . ':' . $port . $this->path);

			curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
			// results into variable
			if ($this->debug)
			{
				curl_setopt($curl, CURLOPT_VERBOSE, 1);
			}
			curl_setopt($curl, CURLOPT_USERAGENT, 'PHP XMLRPC 1.0');
			// required for XMLRPC
			curl_setopt($curl, CURLOPT_POST, 1);
			// post the data
			curl_setopt($curl, CURLOPT_POSTFIELDS, $msg->payload);
			// the data
			curl_setopt($curl, CURLOPT_HEADER, 1);
			// return the header too
			curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: text/xml'));
			// whether to verify remote host's cert
			curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifypeer);
			// whether to verify cert's common name (CN); 0 for no, 1 to verify that it exists, and 2 to verify that it matches the hostname used
			curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, $this->verifyhost);
			// required for XMLRPC
			if ($timeout)
			{
				curl_setopt($curl, CURLOPT_TIMEOUT, $timeout == 1 ? 1 : $timeout - 1);
			}
			// timeout is borked
			if ($username && $password)
			{
				curl_setopt($curl, CURLOPT_USERPWD,"$username:$password");
			}
			// set auth stuff
			if ($cert)
			{
				curl_setopt($curl, CURLOPT_SSLCERT, $cert);
			}
			// set cert file
			if ($certpass)
			{
				curl_setopt($curl, CURLOPT_SSLCERTPASSWD,$certpass);
			}
			// set cert password

			$result = curl_exec($curl);

			if (!$result)
			{
				$this->errstr='no response';
				$resp=new xmlrpcresp(0, $xmlrpcerr['curl_fail'], $xmlrpcstr['curl_fail']. ': '. curl_error($curl));
			}
			else
			{
				$resp = $msg->parseResponse($result);
			}
			curl_close($curl);
			return $resp;
		}

		function multicall($msgs, $timeout=240, $method='http')
		{
			$results = false;

			if (! $this->no_multicall)
			{
				$results = $this->_try_multicall($msgs, $timeout, $method);
				/* TODO - this is not php3-friendly */
				// if($results !== false)
				if($results != false)
				{
					// Either the system.multicall succeeded, or the send
					// failed (e.g. due to HTTP timeout).  In either case,
					// we're done for now.
					return $results;
				}
				else
				{
					// system.multicall unsupported by server,
					// don't try it next time...
					$this->no_multicall = true;
				}
			}

			// system.multicall is unupported by server:
			//   Emulate multicall via multiple requests
			$results = array();
			//foreach($msgs as $msg)
			@reset($msgs);
			while(list(,$msg) = @each($msgs))
			{
				$results[] = $this->send($msg, $timeout, $method);
			}
			return $results;
		}

		// Attempt to boxcar $msgs via system.multicall.
		function _try_multicall($msgs, $timeout, $method)
		{
			// Construct multicall message
			$calls = array();
			//foreach($msgs as $msg)
			@reset($msgs);
			while(list(,$msg) = @each($msgs))
			{
				$call['methodName'] = new xmlrpcval($msg->method(),'string');
				$numParams = $msg->getNumParams();
				$params = array();
				for ($i = 0; $i < $numParams; $i++)
				{
					$params[$i] = $msg->getParam($i);
				}
				$call['params'] = new xmlrpcval($params, 'array');
				$calls[] = new xmlrpcval($call, 'struct');
			}
			$multicall = new xmlrpcmsg('system.multicall');
			$multicall->addParam(new xmlrpcval($calls, 'array'));

			// Attempt RPC call
			$result = $this->send($multicall, $timeout, $method);
			if (!is_object($result))
				return ($result || 0); // transport failed

			if ($result->faultCode() != 0)
				return false;		// system.multicall failed

			// Unpack responses.
			$rets = $result->value();
			if ($rets->kindOf() != 'array')
				return false;		// bad return type from system.multicall
			$numRets = $rets->arraysize();
			if ($numRets != count($msgs))
				return false;		// wrong number of return values.

			$response = array();
			for ($i = 0; $i < $numRets; $i++)
			{
				$val = $rets->arraymem($i);
				switch ($val->kindOf())
				{
				case 'array':
					if ($val->arraysize() != 1)
						return false;		// Bad value
					// Normal return value
					$response[$i] = new xmlrpcresp($val->arraymem(0));
					break;
				case 'struct':
					$code = $val->structmem('faultCode');
					if ($code->kindOf() != 'scalar' || $code->scalartyp() != 'int')
						return false;
					$str = $val->structmem('faultString');
					if ($str->kindOf() != 'scalar' || $str->scalartyp() != 'string')
						return false;
					$response[$i] = new xmlrpcresp(0, $code->scalarval(), $str->scalarval());
					break;
				default:
					return false;
				}
			}
			return $response;
		}
	} // end class xmlrpc_client

	class xmlrpcresp
	{
		var $val = 0;
		var $errno = 0;
		var $errstr = '';
		var $hdrs = array();

		function xmlrpcresp($val, $fcode = 0, $fstr = '')
		{
			if ($fcode != 0)
			{
				// error
				$this->errno = $fcode;
				$this->errstr = htmlspecialchars($fstr); // XXX: encoding probably shouldn't be done here; fix later.
			}
			else if (!is_object($val))
			{
				// programmer error
				error_log("Invalid type '" . gettype($val) . "' (value: $val) passed to xmlrpcresp.  Defaulting to empty value.");
				$this->val = new xmlrpcval();
			}
			else
			{
				// success
				$this->val = $val;
			}
		}

		function faultCode()
		{
			return $this->errno;
		}

		function faultString()
		{
			return $this->errstr;
		}

		function value()
		{
			return $this->val;
		}

		function serialize()
		{
			$result = "<methodResponse>\n";
			if ($this->errno)
			{
				$result .= '<fault>
<value>
<struct>
<member>
<name>faultCode</name>
<value><int>' . $this->errno . '</int></value>
</member>
<member>
<name>faultString</name>
<value><string>' . $this->errstr . '</string></value>
</member>
</struct>
</value>
</fault>';
			}
			else
			{
				$result .= "<params>\n<param>\n" .
						$this->val->serialize() . 
						"</param>\n</params>";
			}
			$result .= "\n</methodResponse>";
			return $result;
		}
	}

	class xmlrpcmsg
	{
		var $payload;
		var $methodname;
		var $params=array();
		var $debug=0;

		function xmlrpcmsg($meth, $pars=0)
		{
			$this->methodname=$meth;
			if (is_array($pars) && sizeof($pars)>0)
			{
				for($i=0; $i<sizeof($pars); $i++)
				{
					$this->addParam($pars[$i]);
				}
			}
		}

		function xml_header()
		{
			return "<?xml version=\"1.0\"?>\n<methodCall>\n";
		}

		function xml_footer()
		{
			return "</methodCall>\n";
		}

		function createPayload()
		{
			$this->payload=$this->xml_header();
			$this->payload.='<methodName>' . $this->methodname . "</methodName>\n";
			//	if (sizeof($this->params)) {
			$this->payload.="<params>\n";
			for($i=0; $i<sizeof($this->params); $i++)
			{
				$p=$this->params[$i];
				$this->payload.="<param>\n" . $p->serialize() .
				"</param>\n";
			}
			$this->payload.="</params>\n";
			// }
			$this->payload.=$this->xml_footer();
			$this->payload=str_replace("\n", "\r\n", $this->payload);
		}

		function method($meth='')
		{
			if ($meth!='')
			{
				$this->methodname=$meth;
			}
			return $this->methodname;
		}

		function serialize()
		{
			$this->createPayload();
			return $this->payload;
		}

		function addParam($par) { $this->params[]=$par; }
		function getParam($i) { return $this->params[$i]; }
		function getNumParams() { return sizeof($this->params); }

		function parseResponseFile($fp)
		{
			$ipd='';
			while($data=fread($fp, 32768))
			{
				$ipd.=$data;
			}
			return $this->parseResponse($ipd);
		}

		function parseResponse($data='')
		{
			global $_xh,$xmlrpcerr,$xmlrpcstr;
			global $xmlrpc_defencoding;

			$parser = xml_parser_create($xmlrpc_defencoding);

			$_xh[$parser]=array();

			$_xh[$parser]['st']='';
			$_xh[$parser]['cm']=0;
			$_xh[$parser]['isf']=0;
			$_xh[$parser]['ac']='';
			$_xh[$parser]['qt']='';
			$_xh[$parser]['headers'] = array();

			xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
			xml_set_element_handler($parser, 'xmlrpc_se', 'xmlrpc_ee');
			xml_set_character_data_handler($parser, 'xmlrpc_cd');
			xml_set_default_handler($parser, 'xmlrpc_dh');
			$xmlrpc_value=new xmlrpcval;

			$hdrfnd = 0;
			if($this->debug)
			{
				//by maHo, replaced htmlspecialchars with htmlentities
				print "<PRE>---GOT---\n" . htmlentities($data) . "\n---END---\n</PRE>";
			}

			if($data == '')
			{
				error_log('No response received from server.');
				$r = new xmlrpcresp(0, $xmlrpcerr['no_data'], $xmlrpcstr['no_data']);
				xml_parser_free($parser);
				return $r;
			}
			// see if we got an HTTP 200 OK, else bomb
			// but only do this if we're using the HTTP protocol.
			if(ereg("^HTTP",$data) && !ereg("^HTTP/[0-9\.]+ 200 ", $data))
			{
				$errstr= substr($data, 0, strpos($data, "\n")-1);
				error_log('HTTP error, got response: ' .$errstr);
				$r=new xmlrpcresp(0, $xmlrpcerr['http_error'], $xmlrpcstr['http_error']. ' (' . $errstr . ')');
				xml_parser_free($parser);
				return $r;
			}

			// separate HTTP headers from data
			if (ereg("^HTTP", $data))
			{
				$ar = split("\r\n", $data);
				while (($line = array_shift($ar)))
				{
					if (strlen($line) < 1)
					{
						break;
					}
					$_xh[$parser]['headers'][] = $line;
				}
				$data = join("\r\n", $ar);
			}
				
			if ($this->debug && count($_xh[$parser]['headers']))
			{
				print "<PRE>";
				foreach ($_xh[$parser]['headers'] as $header)
				{
					print "HEADER: $header\n";
				}
				print "</PRE>\n";
			}

			if (!xml_parse($parser, $data, sizeof($data)))
			{
				// thanks to Peter Kocks <peter.kocks@baygate.com>
				if((xml_get_current_line_number($parser)) == 1)
				{
					$errstr = 'XML error at line 1, check URL';
				}
				else
				{
					$errstr = sprintf('XML error: %s at line %d',
						xml_error_string(xml_get_error_code($parser)),
						xml_get_current_line_number($parser));
						error_log($errstr);
						$r=new xmlrpcresp(0, $xmlrpcerr['invalid_return'], $xmlrpcstr['invalid_return']);
					xml_parser_free($parser);
					echo $errstr;
					return $r;
				}
			}
			xml_parser_free($parser);
			if ($this->debug)
			{
				print "<PRE>---EVALING---[" . 
				strlen($_xh[$parser]['st']) . " chars]---\n" . 
				htmlspecialchars($_xh[$parser]['st']) . ";\n---END---</PRE>";
			}
			if (strlen($_xh[$parser]['st'])==0)
			{
				// then something odd has happened
				// and it's time to generate a client side error
				// indicating something odd went on
				$r=new xmlrpcresp(0, $xmlrpcerr['invalid_return'],
				$xmlrpcstr['invalid_return']);
			}
			else
			{
				eval('$v=' . $_xh[$parser]['st'] . '; $allOK=1;');
				if ($_xh[$parser]['isf'])
				{
					$errno_v = $v->structmem('faultCode');
					$errstr_v = $v->structmem('faultString');
					$errno = $errno_v->scalarval();

					if ($errno == 0)
					{
						// FAULT returned, errno needs to reflect that
						$errno = -1;
					}

					$r = new xmlrpcresp($v, $errno, $errstr_v->scalarval());
				}
				else
				{
					$r=new xmlrpcresp($v);
				}
			}

			$r->hdrs = $_xh[$parser]['headers'];
			return $r;
		}
	}

	class xmlrpcval
	{
		var $me=array();
		var $mytype=0;

		function xmlrpcval($val=-1, $type='')
		{
			$xmlrpcTypes=array(
				XMLRPCI4       => 1,
				XMLRPCINT      => 1,
				XMLRPCBOOLEAN  => 1,
				XMLRPCDOUBLE   => 1,
				XMLRPCSTRING   => 1,
				XMLRPCDATETIME => 1,
				XMLRPCBASE64   => 1,
				XMLRPCARRAY    => 2,
				XMLRPCSTRUCT   => 3
			);
	
			$this->me=array();
			$this->mytype=0;
		
			#print_r($val);
			if ($type == '')	{
					if (gettype($val) == "string") {
						$type='string';
						$this->addScalar($val,$type);
					}
					elseif (gettype($val) == "int") {
						$type="int";
						$this->addScalar($val,$type);
					}
					elseif (gettype($val) == "boolean") {
						$type="boolean";
						$this->addScalar($val,$type);
					}
					elseif (is_array($val)) {
						$type="array";
						$this->addArray($val);
					}
					else {
						$type='string';
						$this->addScalar($val,$type);
					}
			}
			else if ($type == "i4") {
				$val = intval($val);
				$this->addScalar($val,$type);
			}
			else if ($val!=-1 || $type!='')
			{
				
				if ($xmlrpcTypes[$type]==1)
				{
					$this->addScalar($val,$type);
				}
				elseif ($xmlrpcTypes[$type]==2)
				{
					
					$this->addArray($val);
				}
				elseif ($xmlrpcTypes[$type]==3)
				{
					$this->addStruct($val);
				}
			}
		}

		function addScalar($val, $type='string')
		{
			global $xmlrpcTypes, $xmlrpcBoolean;

			if ($this->mytype==1)
			{
				echo '<B>xmlrpcval</B>: scalar can have only one value<BR>';
				return 0;
			}
			$typeof=$xmlrpcTypes[$type];
			if ($typeof!=1)
			{
				echo '<B>xmlrpcval</B>: not a scalar type (${typeof})<BR>';
				return 0;
			}

			if ($type==$xmlrpcBoolean)
			{
				if (strcasecmp($val,'true')==0 || $val==1 || ($val==true && strcasecmp($val,'false')))
				{
					$val=1;
				}
				else
				{
					$val=0;
				}
			}

			if ($this->mytype==2)
			{
				// we're adding to an array here
				$ar=$this->me['array'];
				$ar[]=new xmlrpcval($val, $type);
				$this->me['array']=$ar;
			}
			else
			{
				// a scalar, so set the value and remember we're scalar
				$this->me[$type]=$val;
				$this->mytype=$typeof;
			}
			return 1;
		}

		function addArray($vals)
		{
			global $xmlrpcTypes;
			if ($this->mytype!=0)
			{
				echo '<B>xmlrpcval</B>: already initialized as a [' . $this->kindOf() . ']<BR>';
				return 0;
			}

			$this->mytype=$xmlrpcTypes['array'];
			$this->me['array']=$vals;
			return 1;
		}

		function addStruct($vals)
		{
			
			global $xmlrpcTypes;
				
				$xmlrpcTypes=array(
				XMLRPCI4       => 1,
				XMLRPCINT      => 1,
				XMLRPCBOOLEAN  => 1,
				XMLRPCDOUBLE   => 1,
				XMLRPCSTRING   => 1,
				XMLRPCDATETIME => 1,
				XMLRPCBASE64   => 1,
				XMLRPCARRAY    => 2,
				XMLRPCSTRUCT   => 3
			);
			if ($this->mytype!=0)
			{
				echo '<B>xmlrpcval</B>: already initialized as a [' . $this->kindOf() . ']<BR>';
				return 0;
			}
			$this->mytype=$xmlrpcTypes['struct'];
			$this->me['struct']=$vals;
			return 1;
		}

		function dump($ar)
		{
			reset($ar);
			while ( list( $key, $val ) = each( $ar ) )
			{
				echo "$key => $val<br>";
				if ($key == 'array')
				{
					while ( list( $key2, $val2 ) = each( $val ) )
					{
						echo "-- $key2 => $val2<br>";
					}
				}
			}
		}

		function kindOf()
		{
			switch($this->mytype)
			{
				case 3:
					return 'struct';
					break;
				case 2:
					return 'array';
					break;
				case 1:
					return 'scalar';
					break;
				default:
					return 'undef';
			}
		}

		function serializedata($typ, $val)
		{
			$rs='';
			global $xmlrpcTypes, $xmlrpcBase64, $xmlrpcString,
			$xmlrpcBoolean;
			switch($xmlrpcTypes[$typ])
			{
				case 3:
					// struct
					$rs.="<struct>\n";
					reset($val);
					while(list($key2, $val2)=each($val))
					{
						$rs.="<member><name>${key2}</name>\n";
						$rs.=$this->serializeval($val2);
						$rs.="</member>\n";
					}
					$rs.='</struct>';
					break;
				case 2:
					// array
					$rs.="<array>\n<data>\n";
					for($i=0; $i<sizeof($val); $i++) {
						$keys = array_keys($val);
						$rs.=$this->serializeval($val[$keys[$i]]);
					}
					$rs.="</data>\n</array>";
					break;
				case 1:
					switch ($typ)
					{
						case $xmlrpcBase64:
							$rs.="<${typ}>" . base64_encode($val) . "</${typ}>";
							break;
						case $xmlrpcBoolean:
							$rs.="<${typ}>" . ($val ? '1' : '0') . "</${typ}>";
							break;
						case $xmlrpcString:
							$rs.="<${typ}>" . @htmlspecialchars($val). "</${typ}>";
							break;
						default:
							$rs.="<${typ}>${val}</${typ}>";
					}
					break;
				default:
					break;
			}
			return $rs;
		}

		function serialize()
		{
			return $this->serializeval($this);
		}

		function serializeval($o)
		{
			global $xmlrpcTypes;
			$rs='';
			if (is_object($o)) {
			  $ar=$o->me;
			  list($typ,$val) = each($ar);
			}
			else {
			  $ar = $o;	
			  if (is_array($ar)) {
			    @reset($ar);
			    $ak = array_keys($ar);
			    if (gettype($ak[0]) == "string" ) {
			      $typ = "struct";
			      $val = $ar;
			    }
			    else {
			      $typ = "array";
			      $val = $ar;
			    }
			  }
			  else {
			    $typ = "string";
			    $val = $ar;	
			  }
			}
			$rs.='<value>';
			$rs.=$this->serializedata($typ, $val);
			$rs.="</value>\n";
			return $rs;
		}

		function structmem($m)
		{
			$nv=$this->me['struct'][$m];
			return $nv;
		}

		function structreset()
		{
			reset($this->me['struct']);
		}

		function structeach()
		{
			return each($this->me['struct']);
		}

		function getval()
		{
			// UNSTABLE
			global $xmlrpcBoolean, $xmlrpcBase64;
			reset($this->me);
			list($a,$b)=each($this->me);
			// contributed by I Sofer, 2001-03-24
			// add support for nested arrays to scalarval
			// i've created a new method here, so as to
			// preserve back compatibility

			if (is_array($b))
			{
				@reset($b);
				while(list($id,$cont) = @each($b))
				{
					if (is_object($cont) && get_class($cont) == "xmlrpcval") {
						$b[$id] = $cont->getval();	
					}
					else {
						$b[$id] = $cont->scalarval();
					}
				}
			}

			// add support for structures directly encoding php objects
			if (is_object($b))
			{
				$t = get_object_vars($b);
				@reset($t);
				while(list($id,$cont) = @each($t))
				{
					if (get_class($b) == "xmlrpcval") {
						$t[$id] = $cont->getval();	
					}
					else {
						$t[$id] = $cont->scalarval();
					}
				}
				@reset($t);
				while(list($id,$cont) = @each($t))
				{
					eval('$b->'.$id.' = $cont;');
				}
			}
			// end contrib
			return $b;
		}

		function scalarval()
		{
			global $xmlrpcBoolean, $xmlrpcBase64;
			reset($this->me);
			list($a,$b)=each($this->me);
			return $b;
		}

		function scalartyp()
		{
			global $xmlrpcI4, $xmlrpcInt;
			reset($this->me);
			list($a,$b)=each($this->me);
			if ($a==$xmlrpcI4)
			{
				$a=$xmlrpcInt;
			}
			return $a;
		}

		function arraymem($m)
		{
			$nv=$this->me['array'][$m];
			return $nv;
		}

		function arraysize()
		{
			reset($this->me);
			list($a,$b)=each($this->me);
			return sizeof($b);
		}
	}

	// date helpers
	function iso8601_encode($timet, $utc=0)
	{
		// return an ISO8601 encoded string
		// really, timezones ought to be supported
		// but the XML-RPC spec says:
		//
		// "Don't assume a timezone. It should be specified by the server in its
		// documentation what assumptions it makes about timezones."
		// 
		// these routines always assume localtime unless 
		// $utc is set to 1, in which case UTC is assumed
		// and an adjustment for locale is made when encoding
		if (!$utc)
		{
			$t=strftime("%Y%m%dT%H:%M:%S", $timet);
		}
		else
		{
			if (function_exists('gmstrftime'))
			{
				// gmstrftime doesn't exist in some versions
				// of PHP
				$t=gmstrftime("%Y%m%dT%H:%M:%S", $timet);
			}
			else
			{
				$t=strftime("%Y%m%dT%H:%M:%S", $timet-date('Z'));
			}
		}
		return $t;
	}

	function iso8601_decode($idate, $utc=0)
	{
		// return a timet in the localtime, or UTC
		$t=0;
		if (ereg("([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})", $idate, $regs))
		{
			if ($utc)
			{
				$t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
			}
			else
			{
				$t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
			}
		} 
		return $t;
	}

	/****************************************************************
	* xmlrpc_decode takes a message in PHP xmlrpc object format and *
	* tranlates it into native PHP types.                           *
	*                                                               *
	* author: Dan Libby (dan@libby.com)                             *
	****************************************************************/
	function xmlrpc_decode_php($xmlrpc_val)
	{
		$kind = $xmlrpc_val->kindOf();

		if($kind == 'scalar')
		{
			return $xmlrpc_val->scalarval();
		}
		elseif($kind == 'array')
		{
			$size = $xmlrpc_val->arraysize();
			$arr = array();

			for($i = 0; $i < $size; $i++)
			{
				$arr[]=xmlrpc_decode_php($xmlrpc_val->arraymem($i));
			}
			return $arr; 
		}
		elseif($kind == 'struct')
		{
			$xmlrpc_val->structreset();
			$arr = array();

			while(list($key,$value)=$xmlrpc_val->structeach())
			{
				$arr[$key] = xmlrpc_decode_php($value);
			}
			return $arr;
		}
	}

	/****************************************************************
	* xmlrpc_encode takes native php types and encodes them into    *
	* xmlrpc PHP object format.                                     *
	* BUG: All sequential arrays are turned into structs.  I don't  *
	* know of a good way to determine if an array is sequential     *
	* only.                                                         *
	*                                                               *
	* feature creep -- could support more types via optional type   *
	* argument.                                                     *
	*                                                               *
	* author: Dan Libby (dan@libby.com)                             *
	****************************************************************/
	function xmlrpc_encode_php($php_val)
	{
		global $xmlrpcInt;
		global $xmlrpcDouble;
		global $xmlrpcString;
		global $xmlrpcArray;
		global $xmlrpcStruct;
		global $xmlrpcBoolean;

		$type = gettype($php_val);
		$xmlrpc_val = new xmlrpcval;

		switch($type)
		{
			case 'array':
			case 'object':
				$arr = array();
				while (list($k,$v) = each($php_val))
				{
					$arr[$k] = xmlrpc_encode_php($v);
				}
				print_r($php_val);
				$xmlrpc_val->addStruct($arr);
				break;
			case 'integer':
				$xmlrpc_val->addScalar($php_val, $xmlrpcInt);
				break;
			case 'double':
				$xmlrpc_val->addScalar($php_val, $xmlrpcDouble);
				break;
			case 'string':
				$xmlrpc_val->addScalar($php_val, $xmlrpcString);
				break;
				// <G_Giunta_2001-02-29>
				// Add support for encoding/decoding of booleans, since they are supported in PHP
			case 'boolean':
				$xmlrpc_val->addScalar($php_val, $xmlrpcBoolean);
				break;
				// </G_Giunta_2001-02-29>
			case 'unknown type':
			default:
				// giancarlo pinerolo <ping@alt.it>
				// it has to return 
				// an empty object in case (which is already
				// at this point), not a boolean. 
				break;
		}
		return $xmlrpc_val;
	}
?>
